US Airways Optimizes the Scheduling of Reserve Flight Crews. - Jeffrey E. Dillon; Spyros Kontogiorgis (Interfaces, 1999)

US Airways Automates Its Weekend Fleet Assignment. - Spyros Kontogiorgis; Suresh Acharya (Interfaces, 1999)

Practical Piecewise-Linear Approximation for Monotropic Optimization. - Spyros Kontogiorgis (INFORMS J. Comput., 2000)

An efficient approximation to wait time in M/M/c queues with application to staffing planning. - Spyros Kontogiorgis; Richard W. Tibbs (ACM Southeast Regional Conference (2), 2005)

A Scalable GI/D/1 Model for GSM. - Richard W. Tibbs; Spyros Kontogiorgis (ICWN, 2005)